70886028 has 12 divisors (see below), whose sum is σ = 165400760. Its totient is φ = 23628672.

The previous prime is 70886027. The next prime is 70886033. The reversal of 70886028 is 82068807.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (70886027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953573 + ... + 2953596.

Almost surely, 2^70886028 is an apocalyptic number.

It is an amenable number.

70886028 is an abundant number, since it is smaller than the sum of its proper divisors (94514732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70886028 is a wasteful number, since it uses less digits than its factorization.

70886028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907176 (or 5907174 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 70886028 is about 8419.3840629823. The cubic root of 70886028 is about 413.8600894821.

It can be divided in two parts, 708 and 86028, that added together give a triangular number (86736 = T₄₁₆).

The spelling of 70886028 in words is "seventy million, eight hundred eighty-six thousand, twenty-eight".